Roman Key-Card Gerber
A combination of the advantages of Key-Card Gerber and Roman Gerber. The king of the agreed trump suit is counted as an ace, making a total of five "key-cards." Several variations are played, but the following responses are the most popular:4 |
shows 0 or 3 key cards |
4 |
shows 1 or 4 key cards |
4 |
shows 2 or 5 key cards, without the trump queen |
| 4NT | shows 2 or 5 key cards, with the trump queen |